Home / 205,743.80-283,952.58-115,104.80

Finding the Fourth Proportional to 205,743.80, 283,952.58 and 115,104.80

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Solution

The fourth proportional to 205,743.80, 283,952.58 and 115,104.80 is: 158,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,743.80 : 283,952.58 = 115,104.80 : x
  2. Step 2: Convert to fraction form
    205,743.80/283,952.58 = 115,104.80/x
  3. Step 3: Cross multiply
    205,743.80x = 283,952.58 × 115,104.80
  4. Step 4: Simplify right side
    205,743.80x = 32,684,304,930.38
  5. Step 5: Solve for x
    x = 32,684,304,930.38/205,743.80
  6. Step 6: Final answer
    x = 158,859.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.